It’s probably the volume or the Mute switch.
How to Fix No Sound on iPhone
Test the iPhone speaker.
SelectSettings>Sounds & Haptics.UnderRingers and Alerts, move the slider to the right to increase the volume.
If you hear a sound, the iPhone speaker works.
If you don’t hear a sound, the unit may need a hardware repair.
Unsilence calls on your iPhone.
The Ring/Silent switch, also called the Mute switch, has two positions.
Push the switch toward the screen to enable sound.
Turn off Do Not Disturb.
Do Not Disturb mode silences many sounds and alerts.
Turn it off if you don’t hear any sound.
Open theSettingsapp, selectDo Not Disturb, then move the toggle switch to theOffposition.
Turn off Bluetooth so sounds play from the iPhone.
Adjust the volume buttons while in an app.
Sometimes the sound volume in an app may be turned down too low to hear.
Use the hardware volume buttons on the side of the iPhone to turn up the volume.
It may also be that the sound setting in the app is too low.
bring up the app and navigate to the page with the Play/Pause button.
Move the slider to the right to increase the volume.
Check third-party app sound configs.
Many third-party apps offer customized volume and mute sound parameters.
In the app, look for audio or sound prefs.
Turn off any customized mute options, enable audio, and adjust the volume sliders to increase volume.
Check notification parameters for the app.
Check the iPhone notifications' sound options for the app.
Some apps, such as Reminders and Messages, let you choose a notification sound.
If this sound is set toNone, the alert is silent.
ChooseNoneand select a sound.
Find the headphones that came with the iPhone.
For older iPhone models, plug the headphones into the headset port.
For newer iPhone models, plug the headphone into the Lightning port.
(The charging cable also connects to this port.)
Listen for audio with the headphones while using an app that has audio.
Alternatively, plug in, remove the headphones, and listen for audio.
It could be theiPhone is stuck in headphone mode.
If you still don’t hear any sound, restart the iPhone.
double-check iPhone apps are up to date.
In rare cases, the lack of sound may be the result of an app developer error.
Go toApp Store>Updatesto peek if an app update is available.
Check for iOS system updates.
An iOS update might fix a sound problem.
Check for any system software updates from Apple, then download and load the available updates.
If none of the above steps resolve your sound issue, reset the iPhone prefs.
This resets the sound, display, and connection options to the iPhone defaults.
Go toSettings>General>Reset>Reset All parameters.
Contact Apple Supportormake an appointment at an Apple Genius Bar.
If none of the above steps works, you may have a hardware problem.
Whatever the issue, your only course is to contact Apple.
TapSoundand choose the ringtone you want.
Optionally, tapPick a songorTone Store.
To include audio, open theControl Center> tap and holdscreen recordand tap theMicrophoneicon until it saysMicrophone On.
To turn on Sound Check, go toSettings>Music.
Scroll down to theAudiosection and turn onSound Check.
